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National Stock Number:
5310-00-755-4866
Federal Supply Class:
5310
National Item Identification Number:
007554866
Description:
WASHER,FLAT
Detail:
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.
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Manufacturer Information:
| 10941915-1 | 19200 | US ARMY ARDEC RDECOM | | 10941915-1 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 5310007554866 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 5310007554866 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | | HEAT TREATMENT | QUENCHED AND TEMPERED | | HOLE DIAMETER | 0.281 INCHES NOMINAL | | OVERALL DIAMETER | 0.750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-626 FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-626 FED SPEC 2ND MATERIAL RESPONSE AND QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8640 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.090 INCHES NOMINAL |
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